Home / 40,303.65-55,618.64-22,398.30

Finding the Fourth Proportional to 40,303.65, 55,618.64 and 22,398.30

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Solution

The fourth proportional to 40,303.65, 55,618.64 and 22,398.30 is: 30,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,303.65 : 55,618.64 = 22,398.30 : x
  2. Step 2: Convert to fraction form
    40,303.65/55,618.64 = 22,398.30/x
  3. Step 3: Cross multiply
    40,303.65x = 55,618.64 × 22,398.30
  4. Step 4: Simplify right side
    40,303.65x = 1,245,762,768.39
  5. Step 5: Solve for x
    x = 1,245,762,768.39/40,303.65
  6. Step 6: Final answer
    x = 30,909.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.